How to Find your Windows 10 Product Key by Using the Command Prompt?
Step 1: Type 'cmd' in the search box on the Taskbar.
Step 2: Right click on the 'Command Prompt' at the top, and then click on 'Run as Administrator.'
Step 3: Type the command below, and then hit enter key on the keyboard.
wmic path softwarelicensingservice get OA3xOriginalProductKey
Step 4: Under OA3xOriginalProductKey, you will find your windows 10 product key.
It's done.
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